Implementing two-photon interference in the frequency domain with electro-optic phase modulators
Identifieur interne : 000226 ( Hal/Checkpoint ); précédent : 000225; suivant : 000227Implementing two-photon interference in the frequency domain with electro-optic phase modulators
Auteurs : L. Olislager [Belgique] ; I. Mbodji [France] ; E. Woodhead [Belgique] ; J. Cussey [France] ; L. Furfaro [France] ; P. Emplit [Belgique] ; S. Massar [Belgique] ; K. Phan Huy [France] ; J.-M. Merolla [France]Source :
- New Journal of Physics [ 1367-2630 ] ; 2012-04-17.
Abstract
Frequency-entangled photons can be readily produced using parametric down-conversion. We have recently shown how such entanglement could be manipulated and measured using electro-optic phase modulators and narrow-band frequency filters, thereby leading to two-photon interference patterns in the frequency domain. Here we introduce new theoretical and experimental developments showing that this method is potentially a competitive platform for the realization of quantum communication protocols in standard telecommunication fibres. We derive a simple theoretical expression for the coincidence probabilities and use it to optimize a Bell inequality. Furthermore, we establish an equivalence between the entangled-photon scheme and a classical interference scheme. Our measurements of two-photon interference in the frequency domain yield raw visibilities in excess of 99%. We use our high-quality setup to experimentally validate the theoretical predictions, and in particular we report a violation of the CH74 inequality by more than 18 standard deviations.
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<author><name sortKey="Emplit, P" sort="Emplit, P" uniqKey="Emplit P" first="P." last="Emplit">P. Emplit</name>
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<country>Belgique</country>
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<author><name sortKey="Massar, S" sort="Massar, S" uniqKey="Massar S" first="S." last="Massar">S. Massar</name>
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<author><name sortKey="Phan Huy, K" sort="Phan Huy, K" uniqKey="Phan Huy K" first="K." last="Phan Huy">K. Phan Huy</name>
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<author><name sortKey="Merolla, J M" sort="Merolla, J M" uniqKey="Merolla J" first="J.-M." last="Merolla">J.-M. Merolla</name>
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<region type="region" nuts="2">Franche-Comté</region>
</placeName>
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<orgName type="institution" wicri:auto="newGroup">Université de Bourgogne Franche-Comté</orgName>
<placeName><settlement type="city" wicri:auto="siege">Belfort</settlement>
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</author>
</analytic>
<series><title level="j">New Journal of Physics</title>
<idno type="ISSN">1367-2630</idno>
<imprint><date type="datePub">2012-04-17</date>
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<front><div type="abstract" xml:lang="en">Frequency-entangled photons can be readily produced using parametric down-conversion. We have recently shown how such entanglement could be manipulated and measured using electro-optic phase modulators and narrow-band frequency filters, thereby leading to two-photon interference patterns in the frequency domain. Here we introduce new theoretical and experimental developments showing that this method is potentially a competitive platform for the realization of quantum communication protocols in standard telecommunication fibres. We derive a simple theoretical expression for the coincidence probabilities and use it to optimize a Bell inequality. Furthermore, we establish an equivalence between the entangled-photon scheme and a classical interference scheme. Our measurements of two-photon interference in the frequency domain yield raw visibilities in excess of 99%. We use our high-quality setup to experimentally validate the theoretical predictions, and in particular we report a violation of the CH74 inequality by more than 18 standard deviations.</div>
</front>
</TEI>
<hal api="V3"><titleStmt><title xml:lang="en">Implementing two-photon interference in the frequency domain with electro-optic phase modulators</title>
<author role="aut"><persName><forename type="first">L.</forename>
<surname>Olislager</surname>
</persName>
<email></email>
<idno type="halauthor">478697</idno>
<affiliation ref="#struct-110895"></affiliation>
</author>
<author role="aut"><persName><forename type="first">I.</forename>
<surname>Mbodji</surname>
</persName>
<email></email>
<idno type="halauthor">624221</idno>
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<author role="aut"><persName><forename type="first">E.</forename>
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<email></email>
<idno type="halauthor">733884</idno>
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<author role="aut"><persName><forename type="first">J.</forename>
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<email></email>
<idno type="halauthor">135794</idno>
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</author>
<author role="aut"><persName><forename type="first">L.</forename>
<surname>Furfaro</surname>
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<email></email>
<idno type="halauthor">301811</idno>
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</author>
<author role="aut"><persName><forename type="first">P.</forename>
<surname>Emplit</surname>
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<email></email>
<idno type="halauthor">127774</idno>
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<author role="aut"><persName><forename type="first">S.</forename>
<surname>Massar</surname>
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<idno type="halauthor">386920</idno>
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<author role="aut"><persName><forename type="first">K.</forename>
<surname>Phan Huy</surname>
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<email></email>
<idno type="halauthor">386919</idno>
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</author>
<author role="aut"><persName><forename type="first">J.-M.</forename>
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<email></email>
<idno type="halauthor">123022</idno>
<affiliation ref="#struct-866"></affiliation>
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<editor role="depositor"><persName><forename>Sarah</forename>
<surname>Djaouti</surname>
</persName>
<email>sarah.djaouti@univ-fcomte.fr</email>
</editor>
</titleStmt>
<editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2012-06-13 16:20:25</date>
<date type="whenModified">2012-06-13 16:20:25</date>
<date type="whenReleased">2012-06-13 16:20:25</date>
<date type="whenProduced">2012-04-17</date>
</edition>
<respStmt><resp>contributor</resp>
<name key="111939"><persName><forename>Sarah</forename>
<surname>Djaouti</surname>
</persName>
<email>sarah.djaouti@univ-fcomte.fr</email>
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<idno type="halRefHtml">New Journal of Physics, Institute of Physics: Open Access Journals, 2012, 14, pp.043015. <10.1088/1367-2630/14/4/043015></idno>
<idno type="halRef">New Journal of Physics, Institute of Physics: Open Access Journals, 2012, 14, pp.043015. <10.1088/1367-2630/14/4/043015></idno>
</publicationStmt>
<seriesStmt><idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno>
<idno type="stamp" n="UNIV-FCOMTE">Université de Franche-Comté</idno>
<idno type="stamp" n="UNIV-BM">Université de Technologie de Belfort-Montbeliard</idno>
<idno type="stamp" n="ENSMM">Ecole Nationale Supérieure de Mécanique et des Microtechniques</idno>
<idno type="stamp" n="FEMTO-ST" p="UNIV-FCOMTE">Franche-Comté Electronique, Mécanique, Thermique et Optique - Sciences et Technologies</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Implementing two-photon interference in the frequency domain with electro-optic phase modulators</title>
<author role="aut"><persName><forename type="first">L.</forename>
<surname>Olislager</surname>
</persName>
<idno type="halAuthorId">478697</idno>
<affiliation ref="#struct-110895"></affiliation>
</author>
<author role="aut"><persName><forename type="first">I.</forename>
<surname>Mbodji</surname>
</persName>
<idno type="halAuthorId">624221</idno>
<affiliation ref="#struct-866"></affiliation>
</author>
<author role="aut"><persName><forename type="first">E.</forename>
<surname>Woodhead</surname>
</persName>
<idno type="halAuthorId">733884</idno>
<affiliation ref="#struct-88060"></affiliation>
</author>
<author role="aut"><persName><forename type="first">J.</forename>
<surname>Cussey</surname>
</persName>
<idno type="halAuthorId">135794</idno>
<affiliation ref="#struct-866"></affiliation>
</author>
<author role="aut"><persName><forename type="first">L.</forename>
<surname>Furfaro</surname>
</persName>
<idno type="halAuthorId">301811</idno>
<affiliation ref="#struct-866"></affiliation>
</author>
<author role="aut"><persName><forename type="first">P.</forename>
<surname>Emplit</surname>
</persName>
<idno type="halAuthorId">127774</idno>
<affiliation ref="#struct-110895"></affiliation>
</author>
<author role="aut"><persName><forename type="first">S.</forename>
<surname>Massar</surname>
</persName>
<idno type="halAuthorId">386920</idno>
<affiliation ref="#struct-88060"></affiliation>
</author>
<author role="aut"><persName><forename type="first">K.</forename>
<surname>Phan Huy</surname>
</persName>
<idno type="halAuthorId">386919</idno>
<affiliation ref="#struct-866"></affiliation>
</author>
<author role="aut"><persName><forename type="first">J.-M.</forename>
<surname>Merolla</surname>
</persName>
<idno type="halAuthorId">123022</idno>
<affiliation ref="#struct-866"></affiliation>
</author>
</analytic>
<monogr><idno type="localRef">Optique/Optoélectronique</idno>
<idno type="halJournalId" status="VALID">1815</idno>
<idno type="issn">1367-2630</idno>
<title level="j">New Journal of Physics</title>
<imprint><publisher>Institute of Physics: Open Access Journals</publisher>
<biblScope unit="volume">14</biblScope>
<biblScope unit="pp">043015</biblScope>
<date type="datePub">2012-04-17</date>
</imprint>
</monogr>
<idno type="doi">10.1088/1367-2630/14/4/043015</idno>
</biblStruct>
</sourceDesc>
<profileDesc><langUsage><language ident="en">English</language>
</langUsage>
<textClass><classCode scheme="halDomain" n="spi.opti">Engineering Sciences [physics]/Optics / Photonic</classCode>
<classCode scheme="halTypology" n="ART">Journal articles</classCode>
</textClass>
<abstract xml:lang="en">Frequency-entangled photons can be readily produced using parametric down-conversion. We have recently shown how such entanglement could be manipulated and measured using electro-optic phase modulators and narrow-band frequency filters, thereby leading to two-photon interference patterns in the frequency domain. Here we introduce new theoretical and experimental developments showing that this method is potentially a competitive platform for the realization of quantum communication protocols in standard telecommunication fibres. We derive a simple theoretical expression for the coincidence probabilities and use it to optimize a Bell inequality. Furthermore, we establish an equivalence between the entangled-photon scheme and a classical interference scheme. Our measurements of two-photon interference in the frequency domain yield raw visibilities in excess of 99%. We use our high-quality setup to experimentally validate the theoretical predictions, and in particular we report a violation of the CH74 inequality by more than 18 standard deviations.</abstract>
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